react styled component with flow typing

Container.js

/**
 * Copyright 2018-present Bruno Carvalho de Araujo.
 * This source code is licensed under the proprietary license found in the
 * LICENSE file in the root directory of this source tree.
 */

import React, { ComponentType, ReactNode } from 'react'
import PropTypes from 'prop-types'
import styled from 'styled-components'

type Props = {
  fluid?: boolean,
  children: ReactNode,
  theme: {
    color: string
  }
}

const Container: ComponentType<Props> = styled.View`
  flex: 1;
  background-color: #ffffff;
  align-items: center;
  justify-content: center;
`

Container.defaultProps = {
  fluid: false
}

Container.propTypes = {
  fluid: PropTypes.bool,
  children: PropTypes.element.isRequired,
  theme: PropTypes.shape({
    color: PropTypes.string.isRequired
  }).isRequired
}

export default Container